Raul, Old Vaquero

Whenever a player mills one or more cards, put a +1/+1 counter on Raul, Old Vaquero.

At the start of your turn, if Raul, Old Vaquero has one or more +1/+1 counters on it, you may remove any number of counters from it. If you do, each player mills that many cards.

"We got company, boss!"